WO2019114175A1 - Wireless charger - Google Patents

Abstract

A wireless charger (10), comprising a housing (12) and a coil module (14) accommodated in the housing (12). The housing (12) has a charging surface (20) which is used for receiving an electronic device so as to charge the electronic device using the coil module (14). The wireless charger (10) further comprises a fan (18) accommodated in the housing (12). A wind generated by the fan (18) can reach the charging surface (20) to cool the electronic device located on the charging surface (20).

Description

Wireless charger Technical field

The present invention relates to the field of chargers, and more particularly to wireless chargers for wirelessly charging electronic devices.

Background technique

With the popularization of mobile electronic devices such as mobile phones, people's lives are greatly facilitated, the frequency of use is getting higher and higher, and the charging technology of mobile electronic devices is also developing at a high speed, especially the wireless charging technology has entered the application stage.

During the wireless charging process, the charger generates heat, which causes the temperature between the charger and the electronic device to rise, resulting in low charging efficiency.

technical problem

In view of this, it is necessary to provide a wireless charger capable of dissipating heat in time to improve charging efficiency.

Technical solution

The wireless charger proposed by the present application includes a housing and a coil module housed in the housing. The housing has a charging surface for receiving an electronic device to charge the electronic device with the coil module. The wireless charger further includes a fan housed in the housing, and the wind generated by the fan can reach the charging surface to dissipate heat from the electronic device located on the charging surface.

In an embodiment, the housing has a wall portion adjacent to the charging surface, the wall portion is provided with a through venting hole, and the fan is disposed adjacent to the venting hole of the wall portion, so that the fan is generated The wind can be blown through the vent hole between the charging surface and the electronic device to directly blow the electronic device.

In an embodiment, the housing includes a first accommodating space and a second accommodating space, the coil module is received in the first accommodating space, and the fan is accommodated in the second The accommodating space is disposed above the first accommodating space, and the vent hole is in direct communication with the second accommodating space.

In one embodiment, the coil module is received in a first accommodating space of the housing, and the housing protrudes from a charging surface to protrude from a hollow housing portion, the hollow shell A second accommodating space is formed in the body, the second accommodating space is in communication with the first accommodating space, and the fan is received in the second accommodating space.

In an embodiment, the wireless charger further includes a duct configured to direct wind generated by the fan to the charging surface.

In an embodiment, the housing includes an upper cover and a lower cover, the charging surface is disposed on the upper cover, and the fan is disposed between the coil module and the lower cover, when When the electronic device is located on the charging surface, there is a cooling layer between the electronic device and the charging surface, the air channel has opposite air inlet ends and air outlet ends, and the fan has the air inlet end a communicating air outlet, wherein the air outlet end of the air duct is in communication with the cooling layer.

In an embodiment, the fan and the coil module are arranged side by side in a direction parallel to the charging surface, and when the electronic device is located on the charging surface, the electronic device and the charging surface There is a cooling layer, the air duct has opposite air inlet ends and an air outlet end, and the fan has an air outlet communicating with the air inlet end, and an air outlet end of the air duct is connected to the cooling layer .

In an embodiment, the wireless charger is provided with an air outlet hole around the charging surface, the air channel surrounds the air outlet hole and communicates with the air outlet hole, and the air outlet of the fan and the air outlet The air duct is connected.

In one embodiment, the wireless charger includes a base and a charging portion standing on the base, the base having a first housing portion of the housing, and the charging portion having the housing a second housing portion, the charging surface is disposed on the second housing portion, the coil module is disposed in the second housing portion, and the fan is disposed in the first housing.

In one embodiment, the wireless charger includes a base and a charging portion standing on the base, the base having a first housing portion of the housing, and the charging portion having the housing a second housing portion, the charging surface is disposed on the second housing portion, the coil module is disposed in the second housing portion, and the fan is disposed in the second housing.

Beneficial effect

In summary, the present invention proposes a wireless charger that provides a fan in a housing of a wireless charger, and allows the wind generated by the fan to reach the charging surface to directly dissipate heat from the electronic device located on the charging surface. The device can quickly cool down during wireless charging and improve charging efficiency.

DRAWINGS

1 is a perspective assembled view of a wireless charger of the first embodiment of the present invention at an angle.

2 is a perspective assembled view of the wireless charger of FIG. 1 at another angle.

3 is an exploded perspective view of the wireless charger of FIG. 1.

4 is a perspective assembled view of a wireless charger according to a second embodiment of the present invention.

FIG. 5 is an exploded perspective view of the wireless charger shown in FIG. 4. FIG.

FIG. 6 is a perspective assembled view of a wireless charger according to a third embodiment of the present invention.

7 is an exploded perspective view of the wireless charger of FIG. 6.

8 is a perspective assembled view of another angle of the wireless charger of FIG. 6.

FIG. 9 is a perspective assembled view of a wireless charger according to a fourth embodiment of the present invention.

Figure 10 is an exploded perspective view of the wireless charger of Figure 9.

11 is another perspective assembled view of the wireless charger shown in FIG. 9.

Figure 12 is a perspective assembled view of a wireless charger in accordance with a fifth embodiment of the present invention.

Figure 13 is an exploded perspective view of the wireless charger of Figure 12;

Figure 14 is a perspective assembled view of a wireless charger in accordance with a sixth embodiment of the present invention.

Figure 15 is a perspective assembled view of another angle of the wireless charger shown in Figure 14.

Figure 16 is an exploded perspective view of the wireless charger shown in Figure 14.

Embodiments of the invention

Before the embodiments are described in detail, it is understood that the invention is not limited to the details The invention may be embodied in other ways. Also, it will be understood that the phraseology and terminology used herein are for the purpose of description The words "including", "comprising", "having", and <RTIgt; </ RTI> <RTIgt; </ RTI> used herein are meant to include the items listed thereafter, their equivalents, and other additional items. In particular, when describing "a certain element", the invention does not limit the number of the elements to one, and may include a plurality.

In order to solve the problem of low charging efficiency caused by heat generation during wireless charging, those skilled in the art usually perform all possible means to dissipate heat from the wireless charging device. However, simply dissipating heat to the wireless charging device still does not solve the problem of low charging efficiency caused by heat generation. Through continuous experimentation and analysis, the applicant found that the heating problem of smart devices such as mobile phones during wireless charging is the biggest cause of low charging efficiency.

Based on the above findings, the present invention provides a wireless charger for charging an electronic device, which may be a mobile phone, a tablet, or the like. The wireless charger includes a housing, a coil module, and a fan. The electronic device generates heat by being charged on the charging surface of the wireless charger through the coil module, and the wind generated by the fan can be blown to the electronic device by the direct blowing or air channel drainage to the wireless charger housing. On one side, the electronic device can quickly cool down during wireless charging, thereby extending the continuous fast charging time of the mobile phone. In the following embodiments, the wireless charger of the present invention will be described in detail. In the embodiments, the electronic device is described by taking a mobile phone as an example.

As used herein, "charging surface" means that the handset is placed on or near the surface, i.e., can be wirelessly charged (e.g., by a transmitting coil inside the housing). That is to say, the electronic device being charged can directly rest on the surface, or there can be a gap between the surface and the surface, which is referred to herein as "lying on" the charging surface.

First embodiment

As shown in FIG. 1 to FIG. 3 , the present embodiment provides a wireless charger 10 including a housing 12 and a coil module 14 , a circuit board 16 , and a fan 18 housed in the housing 12 . The coil module 14 is mounted on and electrically connected to the circuit board 16. The housing 12 has a charging surface 20 to which an electronic device, such as a cell phone, can be wirelessly charged, and the coil module 14 is being charged to the charging surface 20 to be placed on the charging surface 20. The housing 12 has a wall portion adjacent the charging surface 20, the wall portion being provided with a through venting opening 26, the fan 18 being disposed adjacent the venting opening 26 of the wall portion such that wind generated by the fan 18 can be blown toward the charging surface through the venting opening 26. 20 and the phone directly blow the phone.

Specifically, the housing 12 includes a first cavity 22 and a second cavity 24. The coil module 14 and the circuit board 16 are disposed in the first cavity 22, and the fan 18 is disposed in the second cavity 24. In this embodiment, the first cavity 22 is disposed in a flat sheet structure, the second cavity 24 is disposed in a flat circular structure, and the second cavity 24 is disposed above the first cavity 22 and located in the first cavity 22 Ends. The charging surface 20 is disposed on the first cavity 22, and the venting hole 26 is disposed on the second cavity 24. It should be understood that in other embodiments, the first cavity 22 and the second cavity 24 may also be designed in other shapes, which are not limited by the present invention.

As shown in FIG. 3, the first cavity 22 includes a first cavity upper cover 28 and a first cavity lower cover 30 that are closed together, between the first cavity upper cover 28 and the first cavity lower cover 30. The first accommodating space 32 is formed. The coil module 14 and the circuit board 16 are disposed in the first accommodating space 32, the charging surface 20 is disposed on the first cavity upper cover 28, and the second cavity 24 is mounted at the edge position of the first cavity upper cover 28. .

The second cavity 24 includes a second cavity upper cover 34, a second cavity lower cover 36, and a side wall 38 connected between the second cavity upper cover 34 and the second cavity lower cover 36, the second cavity The lower cover 36 is mounted on the first cavity upper cover 28. In the illustrated embodiment, the side wall 38 extends from the second cavity upper cover 34 toward the second cavity lower cover 36. The second cavity upper cover 34 and the second cavity lower cover 36 are combined with the side walls 38 to form a second accommodating space 40. The fan 18 is disposed in the second accommodating space 40. The venting opening 26 is disposed on a side of the side wall 38 that faces the charging surface 20, which is the portion of the side wall 38 that faces the charging surface 20. The fan 18 has an air outlet 42 that faces the venting opening 26 so that the wind blown by the fan 18 can be blown through the venting opening 26 between the charging surface 20 and the mobile phone to directly blow the mobile phone, thereby rapidly cooling the mobile phone.

The wireless charger 10 also includes a panel 44 that is disposed on the first cavity upper cover 28, such as the panel 44 that is attached to the first cavity upper cover 28 for primarily decorative and anti-slip effects. In the illustrated embodiment, the panel 44 is the same size as the first cavity upper cover 28 and the second cavity 24 is mounted at the edge of the panel 44. The panel 44 is provided with an opening 46 corresponding to the position of the charging surface 20 such that a gap is formed between the housing rear cover of the mobile phone and the charging surface 20 when the mobile phone is located on the charging surface 20 for the fan 18 to blow directly. In other embodiments, no panels may be provided.

In some other embodiments not shown, the housing of the wireless charger may have other implementations as well. For example, in some embodiments, the coil module is received in the first accommodating space of the housing, and the housing protrudes from the charging surface to protrude from a hollow housing portion, and the inside of the hollow housing portion forms a second capacity. The second accommodating space is connected to the first accommodating space, and the fan is accommodated in the second accommodating space. That is, unlike the independent first cavity 22 and second cavity 24 of the embodiment of Figures 1-3, the first cavity 22 and the second cavity 24 are communicable.

In the foregoing embodiment, the charging surface 20 is perpendicular to the outer surface of the wall portion 38. In other embodiments, the charging surface 20 and the outer surface of the wall may also be non-perpendicular. For example, in another embodiment, the charging surface 20 is located in the same surface as the outer surface of the wall and the same surface is disposed obliquely relative to the horizontal.

Second embodiment

As shown in FIGS. 4 and 5, the wireless charger 299 of the second embodiment includes a housing 210, and a coil module 221, a circuit board 223, and a fan 225 housed in the housing 210. The housing 210 has a charging surface 216 that is typically placed on the charging surface 216 for charging by a charging electronic device such as a cell phone (not shown).

The housing 210 includes a corresponding circular plate-shaped upper cover 211 and a circular plate-shaped lower cover 213, and an annular side wall 212 disposed between the upper cover 211 and the lower cover 213. The upper cover 211 and the lower cover 213 are disposed in parallel. The upper cover 211, the side wall 212, and the lower cover 213 are connected to the surrounding casing 210 to form a receiving space. The coil module 221, the circuit board 223, and the fan 225 are located in the housing space. The side wall 212 and the upper or lower cover may be separately formed or integrally formed.

The circuit board 223 has a circular shape, and the coil module 221 has a circular shape, which is disposed in a hollow portion of the circuit board 223. It should be understood that this is only one embodiment of the present invention. In other embodiments, the circuit The board 23 can also be in other shapes. The coil module 221 and the circuit board 223 can also be in other forms. For example, the coil module 221 and the circuit board 223 are stacked in a direction perpendicular to the upper cover 211. The shape of the plate 223 and the arrangement positions of the coil module 221 and the circuit board 223 are not limited.

The fan 225 is disposed between the coil module 221 and the lower cover 213, and the central axes of the fan 225 and the coil module 221 are coincident. It should be understood that this is only one embodiment of the present invention. In other embodiments, the central axis of the fan 225 and the coil module 221 may also be set to be non-coincident, which is not limited by the present invention.

In the present embodiment, the wireless charger 299 further includes a duct 230. The duct 230 has a U-shaped structure. The air duct 230 has opposite ends, that is, an air inlet end (not shown) and an air outlet end 232, and a connecting portion 233 connecting the air inlet end and the air outlet end 232. The air inlet end and the air outlet end 232 are disposed at both ends of the U shape, and the air inlet end is in communication with the air outlet 2251 of the fan 225.

An annular protrusion 2113 is provided at the edge of the upper cover 211, and the charging surface 216 is in the middle. The connecting portion 233 of the duct 230 is connected and fixed to the boss 2113.

The side wall 212 is provided with one or more air inlet holes 2121 so that air can be drawn into the fan 225 through the air inlet hole 2121, and the wireless charger 299 can be externally dissipated through the air inlet hole 2121. In the illustrated embodiment, a plurality of air inlet apertures 2121 are evenly disposed along the circumferential direction of the side wall 212.

The coil module 221 and the fan 225 are both electrically connected to the circuit board 223. When the circuit board 223 is connected to the external power source, the mobile phone is placed on the protrusion 2113 on the upper cover 211, the coil module 221 charges the mobile phone, and the fan 225 operates. Due to the height difference between the protrusion 2113 and the charging surface 216, the handset does not abut the charging surface 216, and a cooling layer exists between the handset and the charging surface 216. The air outlet end 232 of the air duct 230 is in communication with the cooling layer, and the heat dissipation effect is good. In other embodiments, the handset can also be placed against the charging surface 216. The charging surface 216 is provided with relief structures, such as grooves or ridges, bumps, etc., to form a cooling layer between the relief structures.

Since the coil module 221 charges the mobile phone, the coil module 221 and the mobile phone both generate heat, and in particular, the side of the mobile phone near the charging surface 216 generates a large amount of heat, and the continuous charging will cause the mobile phone to generate excessive heat and activate the protection mechanism to stop charging. In the wireless charger 299 of the present embodiment, the outside air is sucked into the fan 225 through the air inlet hole 2121, and the wind discharged by the fan 225 enters the air duct 230 through the air inlet end, and is then outputted to the cooling layer by the air outlet end 32. The wind entering the cooling layer can take away the heat generated by the coil module 221 on the part of the charging surface 216 and the heat generated by the charging of the mobile phone, so as to dissipate heat from the charging surface 216 and the side of the mobile phone near the charging surface 216, thereby prolonging the continuity of the mobile phone. Fast charge time.

In this embodiment, the air duct 230 is U-shaped. It should be understood that this is only one embodiment of the present invention. In other embodiments, the air duct 230 can also be of other shapes as long as it can The wind of the fan 225 may be guided to the cooling layer, which is not limited by the present invention.

In the illustrated embodiment, a panel 240 is also attached to the upper cover 211. The size of the panel 240 is comparable to the size of the charging surface 216. The panel 240 mainly functions as a decoration and a non-slip. It should be understood that this is only one embodiment of the present invention. In other embodiments, the panel 240 may not be provided.

Third embodiment

As shown in FIG. 6 to FIG. 8 , the wireless charger 399 of the third embodiment is different from the wireless charger 288 of the second embodiment in that the position of the fan and the design of the air duct are different. The following points are only for the difference between the two embodiments. Be explained.

The wireless charger 399 further includes a partitioning plate 315 that divides the receiving space of the housing 310 into a first accommodating space and a second accommodating space.

The first accommodating space is for accommodating the coil module 321 and the circuit board 323.

The second accommodating space is for accommodating the fan 325. The lower cover 313 is provided with a plurality of air inlet holes 3131 at a position of the second accommodating space, so that outside air can be sucked into the second accommodating space via the air inlet hole 3131 through the operation of the fan 325.

In this embodiment, the air duct 330 of the wireless charger 399 includes a first branch 331 and a second branch 332 that communicate with each other; the first branch 331 has opposite first and second ends, and the first end is an open end. That is, the air outlet end 333 communicating with the cooling layer; the second branch 332 is formed vertically extending from the second end of the first branch 331, that is, the entire air duct 330 is L-shaped. The second branch 332 is provided with an air inlet end 335 having an opening.

The fan 325 has an air outlet 3254, and the air outlet 3254 communicates with the air inlet end 335 of the air duct 330.

In the embodiment, the upper cover 311 and the side wall 312 are open structures in the second accommodating space, and the second accommodating space is formed by the lower cover 313, the partitioning plate 315 and the air duct 330. It should be understood that this is only a preferred embodiment of the present invention. In other embodiments, the upper cover 311 and the side wall 312 may not have openings in the second accommodating space, for example, the upper cover 311 and the side wall. The portion of the second accommodating space 312 is a solid structure, and a through hole is formed in a portion of the side wall 312 at the second accommodating space, so that the wind energy discharged from the fan 325 enters the air passage. The present invention is not limited thereto, as long as the air outlet 3254 of the fan 325 can be connected to the air inlet end 335 of the air duct 330.

The remaining structure and operation mode of the wireless charger 399 of this embodiment are the same as those of the second embodiment, and details are not described herein again.

Fourth embodiment

As shown in FIGS. 9 to 11, the wireless charger 410 of the fourth embodiment includes a housing 410 and a coil module 422 disposed inside the housing 410, a circuit board 424, and a fan 430. The housing 410 has a charging surface 416 that is typically placed on the charging surface 416 for charging by a charging electronic device such as a cell phone (not shown).

The housing 410 includes an upper cover 411 and a lower cover 413. The upper cover 411 and the lower cover 413 enclose a receiving space. The coil module 422, the circuit board 424, and the fan 430 are received in the receiving space.

The charging surface 416 is disposed on the upper cover 411, and the upper cover 411 is recessed in the direction of the lower cover 413 in the region of the charging surface 416 to form a recess 4118 such that the height of the charging surface 416 is lower than the surface of the upper cover 411. Specifically, the upper cover 411 includes an upper cover main body 4111 and a cover plate 4115 connected to the upper cover main body 4111. The coil module 422 and the circuit board 424 are disposed between the cover 4115 and the lower cover 413.

The upper cover main body 4111 is provided with an opening 4113, and a peripheral edge of the opening 4113 extends toward the lower cover 413 to form an annular side wall 4117. The peripheral edge of the cover plate 4115 is coupled to the lower edge of the side wall 4117 such that the side wall 4117 surrounds the charging surface 416. Moreover, an annular gap 4120 is formed between the cover plate 4115 and the side wall 4117. In the illustrated embodiment, the gap 4120 is V-shaped. One or more air outlet holes 4122 are disposed on the side wall 4117. In the illustrated embodiment, a plurality of air vents 4122 are evenly spaced along the circumferential direction of the side walls 4117.

The charging surface 416 is disposed on the cover 4115, and the charging surface 416 and the upper cover body 4111 have a height difference in a direction perpendicular to the charging surface 416, so that when the mobile phone is located on the charging surface 416, there is a space between the mobile phone and the charging surface 416. A gap that serves as a cooling layer.

In the present embodiment, the coil module 422 and the fan 430 are arranged side by side in a direction parallel to the charging surface 416. The lower cover 413 includes a lower cover bottom wall 4131 and a lower cover side wall 4133 connecting the lower cover bottom wall 4131 and the upper cover 411, and the lower cover bottom wall 4131 and the lower cover side wall 4133 are integrally formed. The lower cover side wall 4133 is provided with a plurality of air inlet holes 4135.

The fan 430 has an air inlet 432 and an air outlet 434. The air inlet 432 communicates with the air inlet 4135. The outside air enters the receiving space through the air inlet 4135, and is sucked into the fan 430 through the air inlet 432, and is generated by the fan 430 through the air outlet 434. wind. The side wall 4117 and the housing 410 form an air passage 436 surrounding the side wall 4117. The air passage 436 communicates with the air outlet 4122, and the air outlet 434 of the fan 410 communicates with the air duct 436. Therefore, the wind generated by the fan 430 is discharged from the air outlet 4122 arranged circumferentially along the side wall 4117 toward the charging surface 416 via the air passage 436, and the discharged wind carries the charging surface 416 through the cooling layer and the back shell of the mobile phone near the charging surface. Part of the heat on the part, to achieve the effect of heat dissipation, thus extending the time of the phone's continuous fast charging.

In the illustrated embodiment, a panel 440 is also attached to the upper cover 411. The size and shape of the panel 440 is comparable to the size and shape of the upper cover 411. The panel 440 serves mainly as a decoration and a non-slip effect. It should be understood that this is only one embodiment of the present invention. In other embodiments, the panel 440 may not be provided.

In all the foregoing embodiments, a bracket (not shown) can be connected to the housing, so that the wireless charger can be placed on a supporting surface through the bracket, forming an angle with the supporting surface, in addition to facilitating the user. Watching the contents of the screen during charging can also provide a cooling effect.

Fifth embodiment

Referring to FIGS. 12 and 13 simultaneously, the housing of the wireless charger 599 includes a first housing portion 510 and a second housing portion 520. The wireless charger 599 also includes a coil module 530 and a fan 540. The first housing portion 510 is substantially in the shape of a truncated cone, and includes a circular plate-shaped first body 514, a circular plate-shaped first cover 516 and a circular annular side wall 518. The side wall 518 is coupled between the first body 514 and the first cover 516 to enclose the first housing portion 510. An elongated first air inlet hole 5140 is disposed in a middle portion of the first body 514.

The central portion of the upper surface of the first cover 516 is recessed downward to form a receiving groove 512. The accommodating groove 512 is an elongated body structure including a bottom wall 5122 and a first side wall 5124 and a second side wall 5125 extending vertically upward from opposite sides of the bottom wall 5122. The bottom wall 5122 is parallel to the first cover 516, and the first side wall 5124 and the second side wall 5125 are disposed in parallel. The first cover 516 is further provided with an air outlet 5160. In the present embodiment, the air outlet holes 5160 are plural and distributed on opposite sides of the accommodating groove 512.

The sidewall 518 extends from the edge of the first body 514 toward the first cover 516, and is provided with two sets of second air inlet holes 5180 and a first opening 5182. The side wall 518 is an axisymmetric structure, and its axis of symmetry is perpendicular to the first air inlet hole 5140. The height of the side wall 518 gradually increases from the first end of the symmetry axis to the second end of the symmetry axis, so that the first cover 516 is inclined relative to the first body 514, so as to accommodate the first cover 514. The slot 512 is disposed obliquely with respect to the first body 514. The first opening 5182 is disposed at the first end of the axis of symmetry. Two sets of second air inlet holes 5180 are located on opposite sides of the first opening 5182 and are symmetrically disposed along the axis of symmetry.

The second housing portion 520 has a substantially rectangular parallelepiped shape, and one end thereof is inserted into the receiving groove 512 of the first housing portion 510 such that the second housing portion 520 is inclined with respect to the first housing portion 510. The second housing portion 520 includes a second body 521 and a second cover 522 that are symmetrically disposed. Therefore, the second body 521 and the second cover 522 are both semi-closed cavities, and the second body 521 and the second cover 522 are mutually The second housing portion 520 is formed in a square shape. The second housing portion 520 includes a first panel 524, a second panel 526, and a bottom plate 528 coupled between the first panel 524 and the second panel 526. The first panel 524 and the second panel 526 are disposed in parallel, and the first panel 524 is disposed at a bottom of the cavity of the second cover 522, and the second panel 526 is disposed at a bottom of the cavity of the second body 521. The first panel 524, the second panel 526 and the bottom plate 528 are respectively abutted on the first side wall 5124 of the first housing portion 510 receiving groove 512, the second side wall 5125 and the bottom wall 5122, so that the second housing portion The 520 is firmly inserted in the first housing portion 510.

The coil module 530 is received in the second housing portion 520. The bottom of the electronic device is placed on the first housing portion 510 and its housing back cover is placed on the first panel 524 of the second housing portion 520 such that the electronic device is also tilted relative to the first housing portion 510, thereby The electronic device is placed on the wireless charger 599. Therefore, in the present embodiment, the charging surface is disposed on the first panel 524. The coil module 530 is used to charge the electronic device placed on the wireless charger 599. The electronic device generates heat due to charging using the coil module 530 to raise the temperature of the housing back cover of the electronic device.

The fan 540 is received in the first housing portion 510, and the air inlet is a first air inlet 5140 and two sets of second air inlet holes 5180. The air discharged from the fan 540 can be blown to the rear cover of the first panel 524 of the second housing portion 520 through the air outlet 5160 on both sides of the receiving slot 512, so that the electronic device can be wirelessly charged. Rapid cooling down to extend the continuous fast charge time of the electronic device. Of course, it is also possible to avoid the safety hazard caused by overheating of the electronic device. Therefore, the wireless charger 599 provided in the present case has better heat dissipation performance.

In this embodiment, the fan 540 is placed under the first cover 516 and corresponds to the position between the first panel 524 of the second housing portion 520 and the electronic device, and the discharged air passes through the two sides of the receiving slot 512. The air hole 5160 can directly reach the housing back cover of the electronic device close to the first panel 524 of the second housing portion 520, and the heat dissipation effect is better.

The wireless charger 599 also includes a circuit board 550 and a non-slip cover 560. The circuit board 550 is housed within the first housing portion 510 and between the fan 540 and the first body 514. A charging interface 552 is disposed on the circuit board 550 and the charging interface 552 can be exposed outside the first housing portion 510 through the first opening 5182 on the side wall 518 of the first housing portion 510.

The non-slip cover 560 is sleeved on the first cover 516 of the first housing portion 510 and is made of a silicone material to prevent the electronic device placed on the wireless charger 599 from sliding. The anti-slip cover 560 has a shape, a size and a structure substantially corresponding to the first cover 516, and a second opening 562 corresponding to the receiving groove 512 is disposed thereon to allow the second housing portion 520 to be inserted through the anti-slip cover 560. The receiving groove 512 of the first housing portion 510. The non-slip cover 560 is further provided with a through hole 564 corresponding to the air outlet 5160, so as to prevent the non-slip cover 560 from preventing the wind discharged from the fan 540 from being blown through the air outlet 5160 to the first panel of the electronic device near the second housing portion 520. The rear cover of the housing of the 524.

In a fifth embodiment, the wireless charger 599 includes a base and a charging portion standing on the base for charging the electronic device, the first housing portion 510 and its inner components constituting the base, The second housing portion 520 and its inner component constitute the charging portion, the charging surface is disposed on the second housing portion 520 (ie, the first panel 524), and the coil module 530 is disposed on the The fan 540 is disposed in the first housing 510 in the second housing portion 520. Regarding the structure for conveying the wind generated by the fan 540 to the charging surface, such as some vent holes or air duct structures, some solutions described in the first to fourth embodiments may be added to the fifth embodiment without conflict. Or the structure described in the fifth embodiment is replaced.

Sixth embodiment

Referring to FIG. 14 to FIG. 15 simultaneously, the wireless charger 699 includes a first housing portion 610, a second housing portion 620, a coil module 630, and a fan 640. The first housing portion 610 is substantially in the shape of a truncated cone and includes a circular plate-shaped first body 614, a circular plate-shaped first cover 616 and a circular annular side wall 618. The side wall 618 is coupled between the first body 614 and the first cover 616 to enclose the first housing portion 610. The first body 614 is provided with an elongated first air inlet hole 6140 in the middle.

The central portion of the upper surface of the first cover 616 is recessed downward to form a receiving groove 612. The accommodating groove 612 is an elongated body structure including a bottom wall 6122 and a first side wall 6124 and a second side wall 6125 extending vertically upward from opposite sides of the bottom wall 6122. The bottom wall 6122 is parallel to the first cover 616, and the first side wall 6124 and the second side wall 6125 are disposed in parallel.

The side wall 618 extends from the edge of the first body 614 toward the first cover 616, and is provided with two sets of second air inlet holes 6180 and a first opening 6182. The side wall 618 is an axisymmetric structure, and its axis of symmetry is perpendicular to the first air inlet hole 6140. The height of the side wall 618 gradually increases from the first end of the symmetry axis to the second end of the symmetry axis, so that the first cover 616 is inclined with respect to the first body 614, so as to accommodate the first cover 614. The slot 612 is disposed obliquely with respect to the first body 614. The first opening 6182 is disposed at the first end of the axis of symmetry. The two sets of second air inlet holes 6180 are located on opposite sides of the first opening 6182 and are symmetrically disposed along the axis of symmetry.

The second housing portion 620 has a substantially rectangular parallelepiped shape, and one end thereof is inserted into the receiving groove 612 of the first housing portion 610 such that the second housing portion 620 is inclined with respect to the first housing portion 610. The second housing portion 620 includes a second body 621 and a second cover 622 that are symmetrically disposed. Therefore, the second body 621 and the second cover 622 are both semi-closed cavities, and the second body 621 and the second cover 622 are mutually The second housing portion 620 is formed in a square shape. The second housing portion 620 includes a first panel 624, a second panel 626, and a bottom plate 628 coupled between the first panel 624 and the second panel 626. The first panel 624 and the second panel 626 are disposed in parallel, and the first panel 624 is disposed at a bottom of the cavity of the second cover 622, and the second panel 626 is disposed at a bottom of the cavity of the second body 621. The first panel 624, the second panel 626 and the bottom plate 628 are respectively abutted on the first side wall 6124, the second side wall 6125 and the bottom wall 6122 of the first housing portion 610 receiving groove 612, so that the second housing portion The 620 is firmly inserted into the first housing portion 610.

The first panel 624 is partially recessed toward the second panel 626 to form a rectangular recess 6242, while two ribs 6244 disposed in parallel are formed on opposite sides of the recess 6242. An elongated air outlet 6240 is provided on the side wall of the recess 6242. It can be understood that in other embodiments, the air outlet 6240 can also be disposed on the bottom wall of the recess 242.

The coil module 630 is received in the second housing portion 620. The bottom of the electronic device is placed on the first housing portion 610 and its housing back cover is placed on the first panel 624 of the second housing portion 620 to tilt the electronic device relative to the first housing portion 610, thereby The electronic device is placed on the wireless charger 699. Therefore, in the present embodiment, the charging surface is disposed on the first panel 624. The coil module 630 is used to charge the electronic device placed on the wireless charger 699. The electronic device generates heat due to charging using the coil module 630 to raise the temperature of the housing back cover of the electronic device.

The fan 640 is also received in the second housing portion 620, and the exhausted air can be directly blown through the air outlet 6240 on the first panel 624 of the second housing portion 620 to the electronic device near the second housing portion 620. The rear cover of the first panel 624 enables the electronic device to quickly cool down during the wireless charging process, thereby prolonging the continuous fast charging time of the electronic device, and of course, the safety hazard caused by the overheating of the electronic device can be avoided. Therefore, the wireless charger 699 provided in this case has better heat dissipation performance.

In addition, as can be seen from the above, the second panel portion 620 of the second housing portion 620 includes a recess 6242 and two ribs 6244 formed on opposite sides of the recess 6242. Due to the difference in height between the two ribs 6244 and the recess 6242, when the electronic device is placed on the first panel 624 of the second housing portion 620, the housing back cover of the electronic device only depends on the first panel 624. There is a certain gap between the two ribs 6244 and the bottom wall of the recess 6242. The gap communicates with the air outlet 6240, which can speed up the air circulation, so that the electronic device can cool down more quickly during the wireless charging process, and the heat dissipation effect is better.

The fan 640 and the coil module 630 may be placed on a line parallel to the first panel 624 of the second housing portion 620, and the fan 640 may be placed on the first panel of the coil module 30 and the second housing portion 620. Between 624. In the present embodiment, the fan 640 and the coil module 630 are placed on a line parallel to the first panel 624 of the second housing portion 620, which can reduce the thickness of the second housing portion 620. In other embodiments, the fan 640 is placed between the coil module 630 and the first panel 624 of the second housing portion 620, and the wind discharged by the fan 640 can be better blown through the air outlet 6240 of the first panel 624. The electronic device is close to the rear cover of the first panel 624 of the second housing portion 620, and the heat dissipation effect is better.

The wireless charger 699 also includes a circuit board 650 and a non-slip cover 660. The circuit board 650 is housed within the first housing portion 610 and between the fan 640 and the first body 614. A charging interface 652 is disposed on the circuit board 650 and the charging interface 652 can be exposed outside the first housing portion 610 through the first opening 6182 on the sidewall 618 of the first housing portion 610.

The anti-slip cover 660 is sleeved on the first cover 616 of the first housing portion 610 and is made of a silicone material to prevent the electronic device placed on the wireless charger 699 from sliding. The anti-slip cover 660 has a shape, a size and a structure substantially corresponding to the first cover 616, and a second opening 662 corresponding to the receiving groove 612 is disposed thereon to allow the second housing portion 620 to be inserted through the anti-slip cover 660. The receiving groove 612 of the first housing portion 610.

In a sixth embodiment, the wireless charger 699 includes a base and a charging portion standing on the base for charging the electronic device, the first housing portion 610 and its inner components constituting the base, The second housing portion 620 and its inner components constitute the charging portion, the charging surface is disposed on the second housing portion 620 (ie, on the first panel 624), and the coil module 630 is disposed on the The fan 640 is disposed in the second housing 620 in the second housing portion 620. Regarding the structure for conveying the wind generated by the fan 640 to the charging surface, such as some vent holes or air duct structures, some solutions described in the first to fourth embodiments may be added to the sixth embodiment without conflict. Or the structure described in the fifth embodiment is replaced.

In summary, the present invention proposes a wireless charger that provides a fan in a housing of a wireless charger, and allows the wind generated by the fan to reach the charging surface to directly dissipate heat from the electronic device located on the charging surface. The device can cool down quickly during wireless charging.

The concepts described herein may be embodied in other forms without departing from the spirit and scope. The specific embodiments disclosed are to be considered as illustrative and not restrictive. Therefore, the scope of the invention is to be determined by the appended claims Any changes which come within the meaning and range of the claims are intended to be within the scope of the claims.

Claims (10)

A wireless charger includes a housing and a coil module housed in the housing, the housing having a charging surface for receiving an electronic device to utilize the coil module to The electronic device is charged, wherein the wireless charger further includes a fan housed in the housing, and the wind generated by the fan can reach the charging surface to dissipate heat from the electronic device located on the charging surface. A wireless charger according to claim 1, wherein said housing has a wall portion adjacent said charging surface, said wall portion being provided with a venting opening therethrough, said fan being adjacent said wall portion The venting holes are disposed such that wind generated by the fan can be blown between the charging surface and the electronic device through the venting holes to directly blow the electronic device. The wireless charger according to claim 2, wherein the housing includes a first accommodating space and a second accommodating space, and the coil module is received in the first accommodating space. The fan is disposed in the second accommodating space, and the second accommodating space is disposed above the first accommodating space, and the vent hole is in direct communication with the second accommodating space. The wireless charger according to claim 2, wherein the coil module is received in a first accommodating space of the housing, and the housing protrudes from the charging surface a second accommodating space is formed in the hollow housing portion, the second accommodating space is in communication with the first accommodating space, and the fan is accommodated in the second accommodating space Inside. The wireless charger of claim 1 wherein said wireless charger further comprises a duct configured to direct wind generated by said fan to said charging surface. The wireless charger according to claim 5, wherein the housing comprises an upper cover and a lower cover, the charging surface is disposed on the upper cover, and the fan is disposed on the coil module and the Between the lower covers, when the electronic device is located on the charging surface, there is a cooling layer between the electronic device and the charging surface, and the air passage has opposite air inlet ends and air outlet ends. The fan has an air outlet communicating with the air inlet end, and an air outlet end of the air duct is in communication with the cooling layer. The wireless charger according to claim 5, wherein said fan and said coil module are arranged side by side in a direction parallel to said charging surface, when said electronic device is located on said charging surface There is a cooling layer between the electronic device and the charging surface, the air channel has opposite air inlet ends and air outlet ends, and the fan has an air outlet port communicating with the air inlet end, the air channel The outlet end is in communication with the cooling layer. The wireless charger according to claim 5, wherein the wireless charger is provided with an air outlet hole around the charging surface, and the air channel surrounds the air outlet hole and communicates with the air outlet hole The air outlet of the fan is in communication with the air duct. The wireless charger according to claim 1, wherein said wireless charger comprises a base and a charging portion standing on said base, said base having a first housing portion of said housing, said The charging portion has a second housing portion of the housing, the charging surface is disposed on the second housing portion, the coil module is disposed in the second housing portion, and the fan is disposed at Inside the first housing. The wireless charger according to claim 1, wherein said wireless charger comprises a base and a charging portion standing on said base, said base having a first housing portion of said housing, said The charging portion has a second housing portion of the housing, the charging surface is disposed on the second housing portion, the coil module is disposed in the second housing portion, and the fan is disposed at Inside the second housing.